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Atheros IEEE 802.11a/g WLAN Router User Manual

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IEEE 802.11a/g WLAN Router
U
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G
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UIDE
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1.0, J
. 2003
ERSION
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Summary of Contents for Atheros IEEE 802.11a/g WLAN Router

  • Page 1 IEEE 802.11a/g WLAN Router ’ UIDE 1.0, J . 2003 ERSION...
  • Page 2 802.11g Router User’s Guide Copyright Statement No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, whether electronic, mechanical, photocopying, recording or otherwise without the prior writing of the publisher. Windows 95/98 and Windows 2000 are trademarks of Microsoft Corp.

  • Page 3: Table Of Contents

    ABLE OF ONTENT INTRODUCING THE 802.11A/G ROUTER.............................3 802.11 ............................3 VERVIEW OF THE OUTER 802.11 ..............................4 OUTER PPLICATIONS ...................................5 ECURITY VERVIEW 802.11 .................................5 OUTER EATURES ..................................6 ETTING P THE DEVICE INSTALLING THE 802.11A/G ROUTER.............................7 ’ ? ..................................7 S IN THE ............................8 PHYSICAL LOOK AT THE BACK PANEL ............................9 PHYSICAL LOOK AT THE FRONT PANEL...

  • Page 5: Introducing The 802.11A/G Router

    Chapter Introducing the 802.11a/g Router This manual gives a basic introduction to 802.11a/g Wireless Router. It provides information to configure the 802.11a/g Router to operate in common applications such as connecting to the Internet. We’ll describe how to use your web browser to configure the 802.11a/g Router and to perform various management functions, e.g.

  • Page 6: 802.11A/G Router Applications

    802.11a/g Router Applications A C C E S S I N G T H E I N T E R N E T The most common use of the 802.11a/g Router is to provide shared Internet access to allow everyone on your LAN to surf the web and send/receive emails or files.

  • Page 7: A Security Overview

    802.11g Router User’s Guide A Security Overview More and more people are concerned about protecting your local network from the Internet. The 802.11a/g Router provides several ways to keep your network secure: Devices on your wired or wireless network are assigned private IP addresses; therefore remote users from the Internet cannot see nor access them.

  • Page 8: Setting Up The Device

    Easy configuration and monitoring through the use of a Web-browser based GUI, a Command Line Interface (CLI) through a remote telnet session, or SNMP commands from a remote SNMP management station Setup Wizard for easy configuration/installation Setting Up the device The 802.11a/g Router can be managed by a local PC on either the wired or wireless LAN network.

  • Page 9: Installing The 802.11A/G Router

    802.11g Router User’s Guide Chapter Installing the 802.11a/g Router This section describes the installation procedure for your 802.11a/g Router. It starts with a summary of the content of the package you have purchased, followed by steps of how to connect and power up your 802.11a/g Router. Finally, it describes how to configure a Windows PC to communicate with your 802.11a/g Router.

  • Page 10: Aphysical Look At The Back Panel

    A physical look at the back panel The following illustration shows the rear panel of Wireless Router. (1) 4 RJ-45 10/100 Switch connectors for connecting to PCs and workstations or connecting external Ethernet hub, or switch with auto-sensing. (2) 1 RJ-45 WAN connector for connecting to Internet via ADSL/Cable modem (3) 1 RJ-45 DMZ connector for connecting to an internal DMZ network or a PC (4) 1 AC power connector for connecting through an AC power adapter (included as part of the product) to the wall power outlet...

  • Page 11: Aphysical Look At The Front Panel

    802.11g Router User’s Guide A physical look at the front panel The LEDs on the front of the 802.11a/g Router reflect the operational status of the unit. 802.11a/g Router LED Description Label WAN/DMZ WLAN POWER Steady Green Link is active Link is active Link is active Power...

  • Page 12: Connecting The Cables

    Connecting the Cables Follow these steps to install your 802.11a/g Router: Step 1 Connect ADSL/Cable modem to the Wireless Router WAN port using CAT5 UTP LAN cable. Step 2 Connect a PC/Workstation to one of the LAN ports of the Wireless Router, such as port 1 or port 2.

  • Page 13: Setting Up A Windows Pc Or Wireless Client As Dhcp Clients

    802.11g Router User’s Guide Setting up a Windows PC or wireless client as DHCP clients The following will give detailed steps of how to configure a PC or a wireless client to “obtain IP addresses automatically”. For other types of configuration, please refer to the corresponding user manual.

  • Page 14: Confirming Your Pc' Sip Configuration

    6. Click OK to finish the configuration. Confirming your PC’s IP Configuration: There are two tools useful for finding out a computer's IP address and default gateway: WINIPCFG (for Windows 95/98/Me) Select the Start button, and choose Run. Type winipcfg, and a window will appear listing the IP configuration.

  • Page 15: Basic Configuration Of The 802.11A/G Router

    802.11g Router User’s Guide Chapter Basic Configuration of the 802.11a/g Router This section contains basic configuration procedure for the 802.11a/g Router. It describes how to set up the 802.11a/g Router for Internet Access operation, and how to set up the LAN configuration. Although the Command Line Interface (CLI) may also be used to configure the 802.11a/g Router, the browser-based configuration mechanism is generally preferred for its ease of use.

  • Page 16: Logging On

    The Home Page of the 802.11a/g Router screen will appear, with its main menu displayed on the screen, showing the following top-level choices: Setup Wizard, Device Status, System Tools, Advanced Settings, and Help. Selecting any will allow you to navigate to other configuration menus. Logging On When you attempt to access a configuration screen from the browser menu, an administrator login screen will appear, prompting you to enter your password to log on.
  • Page 17 802.11g Router User’s Guide D E V I C E I P S E T T I N G S The Device IP setting screen allows you to configure the IP address and subnet mask of your 802.11a/g Router: you can configure a static IP address and a subnet mask, or configure it to obtain an IP address and a subnet mask automatically from a DHCP server on the local network.
  • Page 18 When you modify it, if the DHCP server function of your 802.11a/g Router is enabled, the pool of IP addresses it will use for assignment purposes will also be automatcailly adjusted accordingly. For example, if the default IP address is used, the IP address pool for assignment consists of addresses from 192.168.1.2 to 192.168.1.254.
  • Page 19 802.11g Router User’s Guide The idle timeout value should be between 0 to 60 minutes, with 5 (minutes) being the default. A value of 0 means the connection will never time out. 3. You use DHCP to connect to the Internet (most likely through a cable modem connection). In this case, your ISP may require you to configure the Host Computer Name: •...
  • Page 20 C O N F I G U R E Y O U R W I R E L E S S L A N C O N N E C T I O N In the following configuration screen, you can configure wireless related parameters of your 802.11a/g Router: Network Name (SSID): The SSID is the network name used to identify a wireless network.
  • Page 21 802.11g Router User’s Guide WLAN standard: You can select the device to run the 802.11g only protocol, or the 802.11a only protocal or the mixed mode – allowing both 802.11g and 802.11b to co-exist. Regulatory Domain: You can select the regulatory domain where the device will be running. Possible choices include FCC, ETSI, France, Spain, and Japan.
  • Page 22 F I N I S H S E T U P W I Z A R D A N D S A V E Y O U R S E T T I N G S After stepping through the Wizard’s pages, you can press the FINISH button for your modification to take effect.
  • Page 23 802.11g Router User’s Guide Alternatively, You can also click the “Back” button to go back to previous configuration screens for more changes. Note: If you change the router’s IP address to a different IP network address space, as soon as you click on FINISH you will no longer be able to communicate with your 802.11a/g Router.

  • Page 24: Advanced Settings

    Chapter Advanced Settings This section contains advanced setting procedures for the 802.11a/g Router. It describes modifications that normally you may not need for basic system operation. One exception is changing your password: it is highly recommended that you change the default factory setting as soon as you start to use your 802.11a/g Router.

  • Page 25: Password Settings

    802.11g Router User’s Guide Password Settings Your 802.11a/g Router comes with a default factory password of “password”. After you start using the router, you should change the default password. To change the password, press the Password Settings button to enter the Password Settings screen, enter the current password followed by the new password twice.

  • Page 26: System Management

    System Management Clicking the System Management button allows system related parameters to be configured for the 802.11a/g Router. Remote Management: The remote management feature allows you to manage your 802.11a/g Router remotely through the use of an HTTP browser, or a telnet utility. The system allows you to (1) allow remote management from all WAN IP addresses, to (2) allow remote management from up to two WAN IP addresses, or to (3) disallow remote management from any WAN IP addresses.
  • Page 27 802.11g Router User’s Guide Syslog: Syslog is an IETF (Internet Engineering Task Force - the Internet standards body)- conformant standard for logging system events (RFC-3164). When the 802.11a/g Router encounters an error or warning condition (e.g., a log-in attempt with an invalid password), it will create a log in the system log table.

  • Page 28: Snmp Settings

    SNMP Settings This screen allows you to configure SNMP parameters including the system name, the location and contact information. Additionally, you can configure the 802.11a/g Router to send SNMP Traps to remote SNMP management stations. Traps are unsolicited alert messages that 802.11a/g Router sends to remote management stations.

  • Page 29: Dhcp Server Settings

    802.11g Router User’s Guide Community String For Read: If you intend the router to be managed from a remote SNMP management station, you need to configure a read-only “community string” for read-only operation. The community string is an alphanumeric string of up to 15 characters. Community String For Write: For read-write operation, you need to configure a write “community string”.
  • Page 30 You can delete a mapping by selecting the corresponding entry and press the DELETE SELECTED button. DHCP Table: Press this button will cause the screen to jump to DHCP client table page.

  • Page 31: Multiple Dmz

    802.11g Router User’s Guide Multiple DMZ The router supports one hardware DMZ port, multiple software DMZ ports, plus one default DMZ port. The hardware DMZ is implemented through the hardware: the router has a separate hardware Ethernet port, to which multiple devices with public IP addresses assigned by the ISP can be connected.

  • Page 32: Virtual Server Settings

    Virtual Server Settings A Virtual Server is a server built on a single or a cluster of real servers. A DMZ server is a term commonly used to describe the default Virtual Server - the router will redirect all traffic from the Internet without a valid port address mapping to this device.

  • Page 33: Special Applications

    802.11g Router User’s Guide Special Applications Special applications such as the Microsoft instant messaging or some Internet games are getting to be increasingly popular. These applications usually work in the following manner: A client can start an Internet game by first registering with a game server on the Internet. Other clients can, using the corresponding protocol, join the game by checking with the server and deciding if to join the game.

  • Page 34: Mac Filtering Settings

    Trigger Port: You need to specify, based on instructions provided by your application’s user manual, the (UDP/TCP) port number in the router that the initiating client uses to start an Internet game. Trigger Type: Select UDP, TCP, or both for the trigger port. Opened ports: You need to specify the port numbers in the router that joining clients can use to communicate with the initiating client, again based on instructions provided by your application user manual.
  • Page 35 802.11g Router User’s Guide The 802.11a/g Router allows you to define a list of MAC addresses. One of three mutually exclusive rules can be selected to forward/filter data packets based on these MAC addresses. Disable MAC address control list: When this radio button is selected, no MAC address filtering will be performed.

  • Page 36: Ip Filtering Settings

    IP Filtering Settings Three mutually exclusive rules can be defined to forward/filter IP packets based on their IP address and/or port numbers. Disable IP filtering: If this is selected, the IP filtering feature is disabled. No IP filtering will be performed. GRANT IP access: When this is elected, packets received from/transmitted to WAN with specified (source or destination) IP addresses will be allowed/forwarded.
  • Page 37 802.11g Router User’s Guide...

  • Page 38: Ip Routing Settings

    IP Routing Settings Dynamic Routing: enable gateway to change the routing table dynamically through LAN port. Static Routing: If you have routers on your LAN or WAN, you can configure static routes on the 802.11a/g Router to route network traffic to a specific, predefined destination. The 802.11a/g Router can route packets based only on the packet's destination not on the source of a packet.

  • Page 39: Wireless Settings

    802.11g Router User’s Guide Wireless Settings You can use this screen to configure various parameters of your 802.11a/g Router. Beacon Interval: The 802.11a/g Router broadcasts beacon frames regularly to announce its existence. The beacon Interval specifies how often beacon frames are transmitted - in time unit of milliseconds. Its default value is 100;...

  • Page 40: Radius Settings

    2432 bytes, with a default value of 2432. A value of zero activates the RTS/CTS handshake before every transmission. It is recommended that this value does not deviate from the default too much. Fragmentation: When the size of a unicast frame exceeds the fragmentation threshold, the frame will be fragmented before transmission.
  • Page 41 802.11g Router User’s Guide Authenticate: Two user authentication methods can be enabled: one based on MAC address filter, the other based on 802.1x EAP/MD5. You can select either or both. MAC address filtering based authentication requires a MAC address filter table to be created in either the 802.11a/g Router and/or the RADIUS server.

  • Page 42: Dynamic Dns Settings

    Dynamic DNS Settings an access these Some people advertise the IP addresses of their routers so that Internet users c routers (which is really to access virtual servers behind these routers) using these IP addresses. However, for those routers that are assigned dynamic IP addresses from the ISP, since IP addresses change, this approach requires additional work.
  • Page 43 802.11g Router User’s Guide Hostname: the hostname (domain name) registered with DynDNS.org by you. Username: the username required to log in to the domain name server maintained by DynDNS.org. Password: the password required to log in to the domain name server maintained by DynDNS.org.

  • Page 44: Managing Your 802.11A/G Router

    Chapter Managing your 802.11a/g Router This Chapter covers other management aspects of your 802.11a/g Router: How to view the device status How to view the system log How to upgrade your 802.11a/g Router firmware How to save or restore configuration changes How to reboot your 802.11a/g Router What if you forgot the password How to View the device Status...

  • Page 45: How To View The System Log

    802.11g Router User’s Guide How to View the System Log The 802.11a/g Router maintains a system log that you can use to track events that have occurred in the system. Such event messages can sometimes be helpful in determining the cause of a problem that you may have encountered.

  • Page 46: Bridge Table

    Bridge Table The bridge table shows all MAC entries learned from the LAN interface, wireless clients, and WDS peers. Upgrading Firmware You can upgrade your 802.11a/g Router’s firmware (the software that controls your 802.11a/g Router’s operation). Normally, this is done when a new version of firmware offers new features that you want, or solves problems you have encountered when using the current version.

  • Page 47: How To Save Or Restore Configuration Changes

    802.11g Router User’s Guide Step 2: To update the 802.11a/g Router firmware, first download the firmware from the distributor’s web site to your local disk. Then from the above screen enter the path and filename of the firmware (or click Browse to select the path and filename of the firmware). Next, Click the Upgrade button. The new firmware will begin loading to your 802.11a/g Router.

  • Page 48: What If You Forgot The Password

    Step 2 Click YES to reset the 802.11a/g Router. Note: Resetting the 802.11a/g Router disconnects any active clients, and therefore will disrupt any current data traffic. What if you Forgot the Password? If you forgot the password, the only way to recover is to clear the device configuration and return the unit to its original state as shipped from the factory.

  • Page 49: Command Line Interface

    802.11g Router User’s Guide Chapter Command Line Interface This document defines the Command Line Interface (CLI) for the 802.11a/g Router. The CLI is accessible through a Telnet session. General guidelines When the 802.11a/g Router is powered up, the user can use a standard telnet application from a PC connected to the network to perform configuration and management functions.

  • Page 50: Express Mode Vs. Advanced Mode Of Operation

    commands do not yet exist. In normal operation, typing ^p will cause the previous command to show, and the cursor will sit at the end of the command. At this point, the user can either type a carriage return to accept the command, or type backspaces to edit the command from the end. Up to 15 previously entered commands can be invoked through ^p’s and ^n’s.

  • Page 51: Command List

    802.11g Router User’s Guide wlan means the Wireless port; <> specifies the arguments of the command, <1-4> means a number between 1 to 4; [ ] indicates a required or optional parameter, or choice of parameters; MacAddr, or XX-XX-XX-XX-XX-XX means any MAC address in hexadecimal format, where each XX can be 00, 01, ...

  • Page 52: Specification

    Specification Product Name IEEE 802.11 a/g Wireless LAN Router Control Number Core Logic, CPU IDT-438, 200MHz Core Logic, WLAN Intersil GTi/Frisbee ™ Linux OS with kernel 2.4.18 IEEE 802.11a/b/g Standard IEEE 802.1x IEEE 802.3u U-NI: 2.412 ~2.456 GHz & 2.400 ~ 2.483 GHz EU: 2.412~ 2.471 GHz &...

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